1 /*
2 * Copyright (c) 2013, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
68 MEMFLAGS flag = mtNone) { }
69 static inline void record_virtual_memory_reserve_and_commit(void* addr, size_t size,
70 const NativeCallStack& stack, MEMFLAGS flag = mtNone) { }
71 static inline void record_virtual_memory_commit(void* addr, size_t size, const NativeCallStack& stack) { }
72 static inline void record_virtual_memory_type(void* addr, MEMFLAGS flag) { }
73 static inline void record_thread_stack(void* addr, size_t size) { }
74 static inline void release_thread_stack(void* addr, size_t size) { }
75
76 static void final_report(outputStream*) { }
77 static void error_report(outputStream*) { }
78 };
79
80 #else
81
82 #include "runtime/mutexLocker.hpp"
83 #include "runtime/threadCritical.hpp"
84 #include "services/mallocTracker.hpp"
85 #include "services/threadStackTracker.hpp"
86 #include "services/virtualMemoryTracker.hpp"
87
88 extern volatile bool NMT_stack_walkable;
89
90 #define CURRENT_PC ((MemTracker::tracking_level() == NMT_detail && NMT_stack_walkable) ? \
91 NativeCallStack(0, true) : NativeCallStack::empty_stack())
92 #define CALLER_PC ((MemTracker::tracking_level() == NMT_detail && NMT_stack_walkable) ? \
93 NativeCallStack(1, true) : NativeCallStack::empty_stack())
94
95 class MemBaseline;
96
97 // Tracker is used for guarding 'release' semantics of virtual memory operation, to avoid
98 // the other thread obtains and records the same region that is just 'released' by current
99 // thread but before it can record the operation.
100 class Tracker : public StackObj {
101 public:
102 enum TrackerType {
103 uncommit,
104 release
105 };
106
107 public:
108 Tracker(enum TrackerType type) : _type(type) { }
109 void record(address addr, size_t size);
110 private:
111 enum TrackerType _type;
112 // Virtual memory tracking data structures are protected by ThreadCritical lock.
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1 /*
2 * Copyright (c) 2013, 2020, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
68 MEMFLAGS flag = mtNone) { }
69 static inline void record_virtual_memory_reserve_and_commit(void* addr, size_t size,
70 const NativeCallStack& stack, MEMFLAGS flag = mtNone) { }
71 static inline void record_virtual_memory_commit(void* addr, size_t size, const NativeCallStack& stack) { }
72 static inline void record_virtual_memory_type(void* addr, MEMFLAGS flag) { }
73 static inline void record_thread_stack(void* addr, size_t size) { }
74 static inline void release_thread_stack(void* addr, size_t size) { }
75
76 static void final_report(outputStream*) { }
77 static void error_report(outputStream*) { }
78 };
79
80 #else
81
82 #include "runtime/mutexLocker.hpp"
83 #include "runtime/threadCritical.hpp"
84 #include "services/mallocTracker.hpp"
85 #include "services/threadStackTracker.hpp"
86 #include "services/virtualMemoryTracker.hpp"
87
88 #define CURRENT_PC ((MemTracker::tracking_level() == NMT_detail) ? \
89 NativeCallStack(0, true) : NativeCallStack::empty_stack())
90 #define CALLER_PC ((MemTracker::tracking_level() == NMT_detail) ? \
91 NativeCallStack(1, true) : NativeCallStack::empty_stack())
92
93 class MemBaseline;
94
95 // Tracker is used for guarding 'release' semantics of virtual memory operation, to avoid
96 // the other thread obtains and records the same region that is just 'released' by current
97 // thread but before it can record the operation.
98 class Tracker : public StackObj {
99 public:
100 enum TrackerType {
101 uncommit,
102 release
103 };
104
105 public:
106 Tracker(enum TrackerType type) : _type(type) { }
107 void record(address addr, size_t size);
108 private:
109 enum TrackerType _type;
110 // Virtual memory tracking data structures are protected by ThreadCritical lock.
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